We live in a semi-rural area with dirt roads and no municipal water supply so we rely on our well water. Raw water is quite heavy with scale and minerals, so we have a good purification system and reverse osmosis system for drinking water. With this little device we can check the concentration of the dissolved substances, but not exactly what is in the water. When I notice my concentration increasing, it's time for a maintenance. It only takes a minute to test the water; so easy.
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